Final answer:
The basic classes of creatures that were created on this day include sponges, sea monsters, birds, and humans. These creatures represent a wide range of diversity and are classified based on their shared traits and body forms.
Step-by-step explanation:
The basic classes of creatures that were created on this day include animals such as sponges, humans, sea monsters, winged birds, and man. These creatures represent a wide range of diversity, from simple organisms like sponges to complex organisms like humans. The classification of animals is based on their shared traits and the diversity of body forms within each class.